41 lines
821 B
C++
41 lines
821 B
C++
//
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// Created by light on 19-12-16.
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//
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#include <complex> // std::complex
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#include <iostream> // std::cout/endl
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#include <unordered_map> // std::unordered_map
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#include <unordered_set> // std::unordered_set
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#include "../container1/output_container.h"
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using namespace std;
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namespace std {
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template <typename T>
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struct hash<complex<T>> {
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size_t
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operator()(const complex<T>& v) const
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noexcept
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{
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hash<T> h;
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return h(v.real()) + h(v.imag());
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}
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};
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} // namespace std
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int main()
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{
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unordered_set<int> s{
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1, 1, 2, 3, 5, 8, 13, 21
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};
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cout << s << endl;
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unordered_map<complex<double>,
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double>
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umc{{{1.0, 1.0}, 1.4142},
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{{3.0, 4.0}, 5.0}};
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cout << umc << endl;
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} |